<template>

  <a-layout>
    <a-layout-content
            :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <a-row :gutter="24">
        <a-col :span="8">
          <p>
            <a-button type="primary" @click="add()">
              新增
            </a-button>
          </p>
          <a-table
                  v-if="level1.length>0"
                  :columns="columns"
                  :row-key="record => record.id"
                  :data-source="level1"
                  :pagination="false"
                  :loading="loading"
                  size="small"
                  :defaultExpandAllRows="true"
          >
            <template v-slot:action="{ text, record }">
              <a-space size="small">
                <a-button type="primary" @click="edit(record)" size="small">
                  编辑
                </a-button>
                <a-popconfirm
                        title="删除后不可以恢复，确认删除？"
                        ok-text="是"
                        cancel-text="否"
                        @confirm="handleDelete(record.id)"
                >
                  <a-button type="danger" size="small">
                    删除
                  </a-button>
                </a-popconfirm>
              </a-space>
            </template>
          </a-table>
        </a-col>
        <a-col :span="16">

          <p>
            <a-form layout="inline" :model="param">
              <a-form-item>
                <a-button type="primary" @click="handleSave()">
                  保存
                </a-button>
              </a-form-item>
            </a-form>
          </p>

          <a-form :model="doc" layout="vertical">
            <a-form-item>
              <a-input v-model:value="doc.name" placeholder="名称"></a-input>
            </a-form-item>
            <a-form-item>
              <a-tree-select
                      v-model:value="doc.parent"
                      style="width: 100%"
                      :dropdown-style="{maxHeight:'400px',overflow:'auto'}"
                      :tree-data="treeSelectData"
                      placeholder="请选择父文档"
                      tree-default-expand-all
                      :field-names="{children:'children',label:'name',value:'id'}"
              >
              </a-tree-select>
            </a-form-item>
            <a-form-item>
              <a-input v-model:value="doc.sort" placeholder="顺序"/>
            </a-form-item>
            <a-form-item>
              <a-button type="primary" @click="handlePreviewConetnt()">
                <EyeOutlined/> 内容预览
              </a-button>
            </a-form-item>
            <a-form-item>
              <div id="content"></div>
            </a-form-item>
          </a-form>
        </a-col>
      </a-row>

      <a-drawer width="900" placement="right" :closable="false" :visible="drawerVisible" @close="onDrawerClose">
        <div class="wangeditor" :innerHTML="previewHtml"></div>
      </a-drawer>

    </a-layout-content>
  </a-layout>

  <!--  <a-modal
            title="文档表单"
            v-model:visible="modalVisible"
            :confirm-loading="modalLoading"
            @ok="handleModalOk"
    >
    </a-modal>-->
</template>
<script lang="ts">
  import { defineComponent ,onMounted,ref,createVNode} from 'vue';
  import axios from 'axios'

  import {message, Modal} from "ant-design-vue";
  import {UploadOutlined} from "@ant-design/icons-vue";
  import {Tool} from "@/uitls/tool";
  import {useRoute} from "vue-router";
  import ExclamationCircleOutlined from "@ant-design/icons-vue/ExclamationCircleOutlined";
  import E from 'wangeditor';



  export default defineComponent({
    name: 'AdminDoc',
    components: {
      UploadOutlined
    },
    setup(){
      const route = useRoute();
      const docs = ref();
      const pagination = ref({
        current: 1,
        pageSize: 2,
        total: 0
      });
      const loading = ref(false);

      const treeSelectData = ref();
      treeSelectData.value = [];

      const columns = [
        {
          title: '名称',
          dataIndex: 'name'
        },
        {
          title: 'Action',
          key: 'action',
          slots: { customRender: 'action' }
        }
      ];

      /*
      * 数据查询
      * */
      const level1 = ref();
      level1.value=[];
      const  handleQuery = ()=>{
        loading.value = true;
        level1.value = [];
        axios.get("/doc/allList?ebookId="+route.query.ebookId).then((resp)=>{
          loading.value = false;
          const  data = resp.data;

          if (data.success){
            console.log("原始数组：",data.content);

            level1.value = [];
            level1.value = Tool.array2Tree(data.content,0);
            console.log("树形结构：",level1);

            treeSelectData.value = Tool.copy(level1.value);

            treeSelectData.value.unshift({id:0,name:'无'});
          } else{
            message.error(data.message);
          }
        });
      };

      // -------- 表单 ---------
      //文件上传保存文件名，存入数据库
      let fileName = "";
      const doc = ref();
      doc.value = {
        ebookId:route.query.ebookId
      };
      const modalVisible = ref(false);
      const modalLoading = ref(false);

      const editor = new E('#content');
      editor.config.uploadImgShowBase64 = true;
      editor.config.zIndex=0;

      const handleSave = () => {
        modalLoading.value = true;

/*        console.log(fileName);
        doc.value.cover = "/image/"+fileName;*/

        console.log(doc.value);
        doc.value.content = editor.txt.html();

        axios.post("/doc/save",doc.value).then((resp)=>{
          const data = resp.data;
          if(data.success){
            modalVisible.value = false;
            modalLoading.value = false;

            message.success("保存成功");

            //重新加载列表
            handleQuery();
          }
        })
      };

      /**
       * 将某节点及其子孙节点全部置为disabled
       */
      const setDisable = (treeSelectData: any, id: any) => {
        // console.log(treeSelectData, id);
        // 遍历数组，即遍历某一层节点
        for (let i = 0; i < treeSelectData.length; i++) {
          const node = treeSelectData[i];
          if (node.id === id) {
            // 如果当前节点就是目标节点
            console.log("disabled", node);
            // 将目标节点设置为disabled
            node.disabled = true;

            // 遍历所有子节点，将所有子节点全部都加上disabled
            const children = node.children;
            if (Tool.isNotEmpty(children)) {
              for (let j = 0; j < children.length; j++) {
                setDisable(children, children[j].id)
              }
            }
          } else {
            // 如果当前节点不是目标节点，则到其子节点再找找看。
            const children = node.children;
            if (Tool.isNotEmpty(children)) {
              setDisable(children, id);
            }
          }
        }
      };

      /**
       * 查找整根树枝
       */
      const ids:Array<string> = [];
      const deleteNames: Array<string> = [];
      const getDeleteIds = (treeSelectData: any, id: any) => {
        // console.log(treeSelectData, id);
        // 遍历数组，即遍历某一层节点
        for (let i = 0; i < treeSelectData.length; i++) {
          const node = treeSelectData[i];
          if (node.id === id) {
            // 如果当前节点就是目标节点
            console.log("delete", node);
            // 将目标ID放入结果集ids
            // node.disabled = true;
            ids.push(id);
            deleteNames.push(node.name);

            // 遍历所有子节点.
            const children = node.children;
            if (Tool.isNotEmpty(children)) {
              for (let j = 0; j < children.length; j++) {
                getDeleteIds(children, children[j].id)
              }
            }
          } else {
            // 如果当前节点不是目标节点，则到其子节点再找找看。
            const children = node.children;
            if (Tool.isNotEmpty(children)) {
              getDeleteIds(children, id);
            }
          }
        }
      };

      //删除
      const handleDelete = (id:number)=>{
        // 清空数组，否则多次删除时，数组会一直增加
        ids.length = 0;
        deleteNames.length = 0;
        getDeleteIds(level1.value,id);
        Modal.confirm({
          title: '重要提醒',
          icon: createVNode(ExclamationCircleOutlined),
          content: '将删除：【' + deleteNames.join("，") + "】删除后不可恢复，确认删除？",
          onOk() {
            // console.log(ids)
            axios.get('/doc/remove?ids='+ids.join(",")).then((response) => {
              const data = response.data; // data = commonResp
              if (data.success) {
                // 重新加载列表
                handleQuery();
              } else {
                message.error(data.message);
              }
            });
          },
        });
      };
      //图片上传
// 上传图片
      const imgNum = ref(1);
      const previewVisible = ref(false);
      const previewImage = ref('');
      const previewTitle = ref('');
      const fileList = ref([]);

      /*      const uuid = require('uuid');*/

// 自定义上传方法
      const customRequest = (file:any)=>{
        console.log("customRequest ",file);
        // fileName=uuid.v4()+"-"+file.file.name; // 用uuid和原来的图片名称来命名新的图片名称,防止图片重名
        //let file2 = new File([file.file],fileName)  // 创建新的文件对象 重新赋值图片名称
        //file.file = file2
        console.log("file",file.file);

        // 表单
        const form = new FormData();
        form.append("file",file.file); // 表单添加文件
        axios.post("/doc/uploadImage",form,{headers:{ 'Content-Type':'multipart/form-data' }})
                .then(res=>{
                  if (res.data.success){
                    // 调用组件的方法，设置为成功
                    file.onSuccess(res,file.file);
                    file.status='done';
                    fileName = res.data.content;
                  }else {
                    file.onError();
                    file.status='error'
                  }
                })
      };

      const handleCancel = () => {
        previewVisible.value = false;
        previewTitle.value = '';
      };

      /**
       * 内容查询
       **/
      const handleQueryContent = () => {
        axios.get("/doc/findContentById/" + doc.value.id).then((response) => {
          const data = response.data;
          if (data.success) {
            editor.txt.html(data.content)
          } else {
            message.error(data.message);
          }
        });
      };

      //编辑
      const edit = (record:any)=>{
/*        fileList.value = [];*/
        doc.value = record;
        modalVisible.value =true;
        handleQueryContent();

        //不能选择当前节点及其所有子孙节点，作为父节点，会使树断开
        treeSelectData.value = Tool.copy(level1.value);
        setDisable(treeSelectData.value,record.id);
        //为树添加一个”无“
        treeSelectData.value.unshift({id:0, name:'无'});

        setTimeout(()=>{
          editor.create();
        },100)
      }
      //新增
      const add = ()=>{
        doc.value = {
          ebookId:route.query.ebookId
        };
        modalVisible.value =true;

        editor.txt.html("");

        treeSelectData.value = Tool.copy(level1.value) || [];

        //为树添加一个”无“
        treeSelectData.value.unshift({id:0, name:'无'});

        setTimeout(()=>{
          editor.create();
        },100)
      };

      //-----------富文本预览--------------
      const drawerVisible =ref(false);
      const previewHtml =ref();
      const handlePreviewConetent = () => {
        const html =editor.txt.html();
        previewHtml.value = html;
        drawerVisible.value = true;
      };
      const onDrawerClose = () => {
        drawerVisible.value = false;
      };

      onMounted(()=>{
        editor.create();
        handleQuery();
      });
      return {
        docs,
        pagination,
        columns,
        loading,

        edit,
        add,
        doc,
        level1,
        modalVisible,
        modalLoading,
        handleSave,
        handleDelete,
        treeSelectData,

        drawerVisible,
        previewHtml,
        handlePreviewConetent,
        onDrawerClose,
      }
    }
  });
</script>

<style>
  /* wangeditor默认样式, 参照: http://www.wangeditor.com/doc/pages/02-%E5%86%85%E5%AE%B9%E5%A4%84%E7%90%86/03-%E8%8E%B7%E5%8F%96html.html */
  /* table 样式 */
  .wangeditor table {
    border-top: 1px solid #ccc;
    border-left: 1px solid #ccc;
  }
  .wangeditor table td,
  .wangeditor table th {
    border-bottom: 1px solid #ccc;
    border-right: 1px solid #ccc;
    padding: 3px 5px;
  }
  .wangeditor table th {
    border-bottom: 2px solid #ccc;
    text-align: center;
  }

  /* blockquote 样式 */
  .wangeditor blockquote {
    display: block;
    border-left: 8px solid #d0e5f2;
    padding: 5px 10px;
    margin: 10px 0;
    line-height: 1.4;
    font-size: 100%;
    background-color: #f1f1f1;
  }

  /* code 样式 */
  .wangeditor code {
    display: inline-block;
    *display: inline;
    *zoom: 1;
    background-color: #f1f1f1;
    border-radius: 3px;
    padding: 3px 5px;
    margin: 0 3px;
  }
  .wangeditor pre code {
    display: block;
  }

  /* ul ol 样式 */
  .wangeditor ul, ol {
    margin: 10px 0 10px 20px;
  }

  /* 和antdv p冲突，覆盖掉 */
  .wangeditor blockquote p {
    font-family:"YouYuan";
    margin: 20px 10px !important;
    font-size: 16px !important;
    font-weight:600;
  }
</style>
